{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008467},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009019","490:4900008573","490:4900008909","490:4900008910","490:4900008256","490:4900008695","490:4900009139","490:4900008468","490:4900007798","490:4900008244","490:4900008996","490:4900009017","490:4900009144","490:4900009356","490:4900009018","490:4900008923","490:4900009413","490:4900008148","490:4900009130","490:4900008038","490:4900008920","490:4900009023","490:4900008034","490:4900008243","490:4900008587"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.014065230559801273,0.002159656467342905,0.001445655614436723,0.0008243611832740422,0.000545578682640647,0.0004735819600425128,0.00043835816387334157,0.00040475643503402805,0.00035450307401447065,0.0003411596369805896,0.0003158408690303851,0.000189532567327352,0.00017365526354360086,0.00008100391423058,0.00007592744685270515,0.00007585926055837804,0.0000715041374766106,0.000047443337264137075,0.00003846010662996693,0.00003665304956579921,0.000033922245586784204,0.000030932141006274515,0.000026578059415439893,0.000024989333928338425,0.000021081963417618727],"twin_dists":[0.37927128227156326,0.4550356538133894,0.4696787375611834,0.4894356471028947,0.5034597029901625,0.5081789895028738,0.5107378986827726,0.5133649540065245,0.5177023684530919,0.518950891087891,0.5214512275133417,0.5377164427086518,0.540453870512801,0.5637514181182686,0.5656844966641379,0.5657112856643637,0.5674714168626876,0.5795364162433866,0.5856141024443786,0.5869986017818143,0.5892192237465673,0.5918548605935618,0.596162787523021,0.5979041539078049,0.6026817907015283],"n_dims_used":45,"mean_confidence":0.8903783162434896},"coverage":{"mean_confidence":0.8903783162434896,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}